[PATCH] D18350: Fixing DILexicalBlockFile issue in r263424

[Reid Kleckner via llvm-commits]

rnk added a subscriber: rnk.

================
Comment at: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp:888
@@ +887,3 @@
+  const DILocalScope *Scope = LS->getScopeNode();
+  assert(!isa<DILexicalBlockFile>(Scope) && "Don't expect Lexical Block File!");
+  auto &LSInfo = getLSDieInfoMap()[Scope];
----------------
This assert fails during a build of Chrome for iOS:
https://build.chromium.org/p/chromium.fyi/builders/ClangToTiOS/builds/6190/steps/compile/logs/stdio
```
Assertion failed: (!isa<DILexicalBlockFile>(Scope) && "Don't expect Lexical Block File!"), function addLocalScopeDieToLexicalScope, file /b/build/slave/ClangToTiOS/build/src/third_party/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp, line 888.
0  clang-3.9                0x000000010b7bed1b llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 43
1  clang-3.9                0x000000010b7bdf36 llvm::sys::RunSignalHandlers() + 70
2  clang-3.9                0x000000010b7bf53f abort + 767
3  libsystem_platform.dylib 0x00007fff9417ff1a _sigtramp + 26
4  clang-3.9                0x000000010daca298 clang::Stmt::StatisticsEnabled + 220476
5  clang-3.9                0x000000010b7bf256 abort + 22
6  clang-3.9                0x000000010b7bf231 __assert_rtn + 81
7  clang-3.9                0x000000010bd277ab llvm::DwarfCompileUnit::addLocalScopeDieToLexicalScope(llvm::LexicalScope*, llvm::DIE*) + 379
8  clang-3.9                0x000000010bd26c66 llvm::DwarfCompileUnit::constructScopeDIE(llvm::LexicalScope*, llvm::SmallVectorImpl<llvm::DIE*>&) + 470
9  clang-3.9                0x000000010bd274fe llvm::DwarfCompileUnit::createScopeChildrenDIE(llvm::LexicalScope*, llvm::SmallVectorImpl<llvm::DIE*>&, bool*) + 686
10 clang-3.9                0x000000010bd26b3b llvm::DwarfCompileUnit::constructScopeDIE(llvm::LexicalScope*, llvm::SmallVectorImpl<llvm::DIE*>&) + 171
11 clang-3.9                0x000000010bd274fe llvm::DwarfCompileUnit::createScopeChildrenDIE(llvm::LexicalScope*, llvm::SmallVectorImpl<llvm::DIE*>&, bool*) + 686
12 clang-3.9                0x000000010bd2884f llvm::DwarfCompileUnit::constructSubprogramScopeDIE(llvm::LexicalScope*) + 287
13 clang-3.9                0x000000010bd344c6 llvm::DwarfDebug::endFunction(llvm::MachineFunction const*) + 1174
14 clang-3.9                0x000000010bd090a4 llvm::AsmPrinter::EmitFunctionBody() + 5764
15 clang-3.9                0x000000010a76ac5c std::__1::__tree<std::__1::__value_type<llvm::MachineInstr*, unsigned int>, std::__1::__map_value_compare<llvm::MachineInstr*, std::__1::__value_type<llvm::MachineInstr*, unsigned int>, std::__1::less<llvm::MachineInstr*>, true>, std::__1::allocator<std::__1::__value_type<llvm::MachineInstr*, unsigned int> > >::destroy(std::__1::__tree_node<std::__1::__value_type<llvm::MachineInstr*, unsigned int>, void*>*) + 2524
16 clang-3.9                0x000000010b19f72c llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 140
17 clang-3.9                0x000000010b398978 llvm::FPPassManager::runOnFunction(llvm::Function&) + 328
18 clang-3.9                0x000000010b398bcb llvm::FPPassManager::runOnModule(llvm::Module&) + 43
19 clang-3.9                0x000000010b399116 llvm::legacy::PassManagerImpl::run(llvm::Module&) + 998
20 clang-3.9                0x000000010b935f51 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction, llvm::raw_pwrite_stream*) + 9601
21 clang-3.9                0x000000010bad16ab clang::EmitObjAction::EmitObjAction(llvm::LLVMContext*) + 1547
22 clang-3.9                0x000000010c20bec5 clang::ParseAST(clang::Sema&, bool, bool) + 581
23 clang-3.9                0x000000010bcac80b clang::FrontendAction::Execute() + 75
24 clang-3.9                0x000000010bc71bc1 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 1073
25 clang-3.9                0x000000010bcf0149 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4713
26 clang-3.9                0x000000010a5197d6 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) + 1366
```


Repository:
  rL LLVM

http://reviews.llvm.org/D18350